World Health MCQs 2026

Which country has the lowest vaccination rate

1. ASouth Sudan✓
2. BChad✓
3. CNigeria✓
4. DSomalia✓

What is the most common sexually transmitted infection

1. AChlamydia✓
2. BGonorrhea✓
3. CHuman papillomavirus (HPV)✓
4. DHIV✓

Which country has the lowest HIV/AIDS rate

1. AJapan✓
2. BIceland✓
3. CFinland✓
4. DNorway✓

What is the most common cause of blindness

1. ACataracts✓
2. BGlaucoma✓
3. CMacular degeneration✓
4. DDiabetic retinopathy✓

Which country has the highest obesity rate

1. AUnited States✓
2. BMexico✓
3. CNauru✓
4. DCook Islands✓

What is the most common chronic disease in the world

1. ACardiovascular disease✓
2. BDiabetes✓
3. CCancer✓
4. DRespiratory disease✓

What is the leading cause of death globally

1. AHeart disease✓
2. BCancer✓
3. CStroke✓
4. DRespiratory diseases✓

Which organization is responsible for global public health

1. AUNICEF✓
2. BUNDP✓
3. CWHO✓
4. DWorld Bank✓

Which disease is the most common infectious disease

1. ATuberculosis✓
2. BMalaria✓
3. CCOVID-19✓
4. DHIV/AIDS✓

What is the most common mental health disorder

1. ADepression✓
2. BAnxiety✓
3. CBipolar disorder✓
4. DSchizophrenia✓

What is the most common cancer worldwide

1. ALung cancer✓
2. BColorectal cancer✓
3. CBreast cancer✓
4. DProstate cancer✓

What is the leading cause of childhood death

1. APneumonia✓
2. BDiarrhea✓
3. CMalaria✓
4. DMeasles✓

Which country has the highest infant mortality rate

1. AAfghanistan✓
2. BSomalia✓
3. CChad✓
4. DNiger✓

What is the most common waterborne disease

1. ACholera✓
2. BTyphoid✓
3. CHepatitis A✓
4. DDiarrheal diseases✓

What is the most common vector-borne disease

1. AMalaria✓
2. BDengue✓
3. CZika✓
4. DChikungunya✓

Which country has the highest workplace injury rate

1. AChina✓
2. BIndia✓
3. CUnited States✓
4. DBrazil✓

What is the most common cause of death in children under 5

1. APneumonia✓
2. BDiarrhea✓
3. CMalaria✓
4. DNeonatal conditions✓

Which country has the highest diabetes rate

1. APakistan✓
2. BChina✓
3. CIndia✓
4. DUnited States✓

What is the most common autoimmune disease

1. AType 1 diabetes✓
2. BRheumatoid arthritis✓
3. CMultiple sclerosis✓
4. DHashimoto's thyroiditis✓

What is the most common nutritional deficiency

1. AIron deficiency✓
2. BVitamin D deficiency✓
3. CVitamin B12 deficiency✓
4. DCalcium deficiency✓

Which country has the highest thyroid disease rate

1. AChina✓
2. BIndia✓
3. CUnited States✓
4. DRussia✓

Which country has the lowest infant mortality rate

1. AJapan✓
2. BSingapore✓
3. CIceland✓
4. DFinland✓

What is the most common sleep disorder

1. AInsomnia✓
2. BSleep apnea✓
3. CRestless leg syndrome✓
4. DNarcolepsy✓